5305-01-077-7098

Find complete technical information, availability, and procurement data for: 5305-01-077-7098
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-077-7098

Item Name Code

06657

Assigment Date

05/30/1979 (47 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

right-hand thread direction, flat countersunk head style, 0.594 inches minimum and 0.625 inches maximum fastener length, 2a thread class, 0.462 inches minimum and 0.507 inches maximum head diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Fastener Length: 0.594 inches minimum and 0.625 inches maximum
Head Style: flat countersunk
Head Diameter: 0.462 inches minimum and 0.507 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: copper alloy
Screw Material Document And Classification: qq-n-281,class a fed spec single material response
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 st 2s type

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
FF-S-92B TYPE 1 ST 2S	Machine Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-077-7098?

The FSCG of the NSN 5305-01-077-7098 is 5305

Does the NSN 5305-01-077-7098 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-077-7098 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-077-7098 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-077-7098 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-077-7098 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Wed, May 30, 1979